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Pepin

Goodhue County
Near Lake City
DOW: 25000100
Smallmouth BassExcellent · 96Channel CatfishExcellent · 96Northern PikeExcellent · 75

A 12,299-acre lake near Lake City in Goodhue County — best known for bass and catfish. Last surveyed 2023.

Fish Species (26)

Smallmouth Bass

Excellent · 96

Above-normal numbers · large fish

Electrofishing survey · surveyed Jun 2023

Avg Size
6.2"
Avg Weight
1.15 lbs

Catch rate: 24.0 · Electrofishing survey

Size of catchable smallmouth bass62% keeper-size (12"+)
7–11" · 38%Largest sampled 20"
Survey History
DateCatch RateAvg LengthAvg Weight
Jun 2, 20230.386.2"0.98 lbs
Jun 2, 202324.026.2"1.15 lbs
Jun 2, 20238.616.2"0.01 lbs

Channel Catfish

Excellent · 96

Above-normal numbers

Gill-net survey · surveyed Jun 2023

Avg Size
17.1"
Avg Weight
2.46 lbs

Catch rate: 4.1 per gill net

Survey History
DateCatch RateAvg LengthAvg Weight
Jun 2, 20234.0817.1"2.46 lbs
Jun 2, 20230.5417.1"0.90 lbs
Jun 2, 20230.3817.1"1.09 lbs

Northern Pike

Excellent · 75

Below-normal numbers · large fish

Gill-net survey · surveyed Jun 2023

Avg Size
23.6"
Avg Weight
6.02 lbs

Catch rate: 0.88 per gill net · typical 0.9–4.3 for a lake like this

Size of catchable northern pike64% keeper-size (24"+)
14–23" · 36%Largest sampled 40"
Survey History
DateCatch RateAvg LengthAvg Weight
Jun 2, 20230.1323.6"8.83 lbs
Jun 2, 20233.3223.6"2.18 lbs
Jun 2, 20230.8823.6"6.02 lbs

Walleye

Good · 74

Typical numbers · large fish

Gill-net survey · surveyed Jun 2023

Avg Size
9.8"
Avg Weight
1.58 lbs

Catch rate: 9.5 per gill net · typical 3.3–14.8 for a lake like this

Size of catchable walleye70% keeper-size (15"+)
10–14" · 30%Largest sampled 27"
Survey History
DateCatch RateAvg LengthAvg Weight
Jun 2, 202377.949.8"-
Jun 2, 20239.469.8"1.58 lbs
Jun 2, 202314.569.8"2.44 lbs

Largemouth Bass

Good · 67

Below-normal numbers · large fish

Electrofishing survey · surveyed Jun 2023

Avg Size
6.0"
Avg Weight
0.65 lbs

Catch rate: 17.9 · Electrofishing survey

Size of catchable largemouth bass83% keeper-size (12"+)
8–11" · 17%Largest sampled 23"
Survey History
DateCatch RateAvg LengthAvg Weight
Jun 2, 20233.946.0"0.05 lbs
Jun 2, 20230.036.0"-
Jun 2, 20230.516.0"4.13 lbs

White Crappie

Good · 65

Below-normal numbers · large fish

Gill-net survey · surveyed Jun 2023

Avg Size
4.7"
Avg Weight
0.58 lbs

Catch rate: 0.08 per gill net · typical 0.1–0.5 for a lake like this

Size of catchable white crappie100% keeper-size (10"+)
All keeper-sizeLargest sampled 10"
Survey History
DateCatch RateAvg LengthAvg Weight
Jun 2, 20238.864.7"0.09 lbs
Jun 2, 20230.084.7"0.58 lbs
Jun 2, 20230.034.7"-

Yellow Perch

Good · 65

Typical numbers · large fish

Gill-net survey · surveyed Jun 2023

Avg Size
6.1"
Avg Weight
0.37 lbs

Catch rate: 20.8 per gill net · typical 9.9–57.1 for a lake like this

Size of catchable yellow perch45% keeper-size (9"+)
5–8" · 55%Largest sampled 13"
Survey History
DateCatch RateAvg LengthAvg Weight
Jun 2, 202331.026.1"0.16 lbs
Jun 2, 202320.796.1"0.37 lbs
Jun 2, 20239.646.1"0.01 lbs

Black Crappie

Good · 56

Below-normal numbers · large fish

Gill-net survey · surveyed Jun 2023

Avg Size
4.3"
Avg Weight
0.70 lbs

Catch rate: 0.04 per gill net · typical 0.1–0.7 for a lake like this

Size of catchable black crappie76% keeper-size (10"+)
5–9" · 24%Largest sampled 13"
Survey History
DateCatch RateAvg LengthAvg Weight
Jun 2, 202319.944.3"0.43 lbs
Jun 2, 20230.044.3"0.70 lbs
Jun 2, 20231.004.3"-

Rock Bass

Good · 50

Average-size fish

Electrofishing survey · surveyed Jun 2023

Avg Size
6.1"
Avg Weight
0.50 lbs

Catch rate: 0.11 · Electrofishing survey

Size of catchable rock bass25% keeper-size (8"+)
4–7" · 75%Largest sampled 8"
Survey History
DateCatch RateAvg LengthAvg Weight
Jun 2, 20230.296.1"0.36 lbs
Jun 2, 20230.116.1"0.50 lbs
Jun 2, 20230.066.1"-

Bluegill

Poor · 20

Small fish

Seining survey · surveyed Jun 2023

Avg Size
1.8"

Catch rate: 10.1 · Seining survey

Size of catchable bluegill5% keeper-size (8"+)
3–7" · 95%Largest sampled 9"
Survey History
DateCatch RateAvg LengthAvg Weight
Jun 2, 20231.021.8"0.42 lbs
Jun 2, 202329.911.8"0.11 lbs
Jun 2, 202310.121.8"-

Brown Trout

Insufficient

Electrofishing survey · surveyed Jun 2015

Last surveyed 2015 — treat with caution

Avg Size
5.0"

Catch rate: 0.98 · Electrofishing survey

Survey History
DateCatch RateAvg LengthAvg Weight
Jun 12, 20150.985.0"-

Hybrid Sunfish

Insufficient

Electrofishing survey · surveyed Jun 2023

Avg Size
7.0"
Avg Weight
0.41 lbs

Catch rate: 0.13 · Electrofishing survey

Survey History
DateCatch RateAvg LengthAvg Weight
Jun 2, 20230.137.0"0.41 lbs
Sep 1, 19860.04-0.20 lbs

Green Sunfish

Insufficient

Seining survey · surveyed Jul 2022

Avg Size
5.0"
Avg Weight
0.10 lbs

Catch rate: 0.03 · Seining survey

Survey History
DateCatch RateAvg LengthAvg Weight
Jul 8, 20220.035.0"0.10 lbs
Jun 12, 20140.03--
May 1, 20100.141.5"0.01 lbs

Pumpkinseed

Insufficient

Gill-net survey · surveyed Jul 2021

Avg Size
6.0"
Avg Weight
0.23 lbs

Catch rate: 0.04 per gill net

Survey History
DateCatch RateAvg LengthAvg Weight
Jul 12, 20210.046.0"0.23 lbs
Jun 12, 20170.024.0"0.07 lbs
May 1, 20080.015.0"0.14 lbs
Other species in this lake (12)

Rough fish, bullheads, and baitfish recorded in DNR surveys — present in the lake, but not typical angling targets.

Shorthead Redhorse

Excellent · 77

Above-normal numbers · average-size fish

Gill-net survey · surveyed Jun 2023

Avg Size
13.5"
Avg Weight
1.23 lbs

Catch rate: 2.6 per gill net · typical 0.1–0.9 for a lake like this

Survey History
DateCatch RateAvg LengthAvg Weight
Jun 2, 20232.5813.5"1.23 lbs
Jun 2, 20230.1213.5"0.71 lbs
Jun 2, 20230.0813.5"0.87 lbs

Freshwater Drum

Good · 59

Typical numbers · average-size fish

Gill-net survey · surveyed Jun 2023

Avg Size
6.5"
Avg Weight
0.46 lbs

Catch rate: 9.5 per gill net · typical 0.8–11.9 for a lake like this

Survey History
DateCatch RateAvg LengthAvg Weight
Jun 2, 202373.286.5"0.23 lbs
Jun 2, 20231.706.5"-
Jun 2, 20239.506.5"0.46 lbs

Common Carp

Good · 51

Typical numbers · average-size fish

Gill-net survey · surveyed Jun 2023

Avg Size
19.0"
Avg Weight
5.25 lbs

Catch rate: 0.62 per gill net · typical 0–2.3 for a lake like this

Survey History
DateCatch RateAvg LengthAvg Weight
Jun 2, 20230.1019.0"12.15 lbs
Jun 2, 20230.6219.0"5.25 lbs
Jun 2, 20231.1119.0"0.21 lbs

Brown Bullhead

Good · 50

Average-size fish

Gill-net survey · surveyed Jul 1991

Last surveyed 1991 — treat with caution

Avg Weight
0.85 lbs

Catch rate: 0.06 per gill net · typical 0.1–0.6 for a lake like this

Survey History
DateCatch RateAvg LengthAvg Weight
Jul 11, 19910.06-0.85 lbs
Jul 10, 19900.06-1.15 lbs

White Sucker

Average · 32

Below-normal numbers · small fish

Gill-net survey · surveyed Jun 2023

Avg Size
14.4"
Avg Weight
1.49 lbs

Catch rate: 0.58 per gill net · typical 0.8–2.4 for a lake like this

Survey History
DateCatch RateAvg LengthAvg Weight
Jun 2, 20230.5814.4"1.49 lbs
Jun 2, 20230.1314.4"1.43 lbs
Jul 8, 20220.0512.4"1.01 lbs

Black Bullhead

Poor · 17

Small fish

Gill-net survey · surveyed Jul 2016

Last surveyed 2016 — treat with caution

Avg Size
7.0"
Avg Weight
0.17 lbs

Catch rate: 0.04 per gill net · typical 0–4.7 for a lake like this

Survey History
DateCatch RateAvg LengthAvg Weight
Jul 1, 20160.047.0"0.17 lbs
Oct 30, 19880.06-1.00 lbs
Sep 1, 19860.04-0.10 lbs

Yellow Bullhead

Insufficient

Electrofishing survey · surveyed Jun 2023

Avg Size
8.0"
Avg Weight
0.22 lbs

Catch rate: 0.11 · Electrofishing survey

Survey History
DateCatch RateAvg LengthAvg Weight
Jun 2, 20230.118.0"0.22 lbs
Jul 11, 19910.03-0.90 lbs
Oct 30, 19880.14-1.02 lbs

Golden Shiner

Insufficient

Seining survey · surveyed Jun 2017

Last surveyed 2017 — treat with caution

Avg Size
1.0"

Catch rate: 0.04 · Seining survey

Survey History
DateCatch RateAvg LengthAvg Weight
Jun 12, 20170.041.0"-
Jun 12, 20150.092.0"0.01 lbs
Jun 12, 20130.022.0"-

Bluntnose Minnow

Insufficient

Seining survey · surveyed Jun 2015

Last surveyed 2015 — treat with caution

Avg Size
2.0"

Catch rate: 0.02 · Seining survey

Survey History
DateCatch RateAvg LengthAvg Weight
Jun 12, 20150.022.0"-
Jun 12, 20130.071.3"-
May 1, 20060.03--

Fathead Minnow

Insufficient

Seining survey · surveyed Jun 2015

Last surveyed 2015 — treat with caution

Avg Size
2.0"

Catch rate: 0.02 · Seining survey

Survey History
DateCatch RateAvg LengthAvg Weight
Jun 12, 20150.022.0"-
May 1, 20080.01--

Johnny Darter

Insufficient

Standard trawling · surveyed Jun 2023

Avg Size
1.1"

Catch rate: 0.03 · Standard trawling

Survey History
DateCatch RateAvg LengthAvg Weight
Jun 2, 20230.761.1"-
Jun 2, 20230.031.1"-
Jul 8, 20220.811.3"-

Iowa Darter

Insufficient

Standard trawling · surveyed Jun 2023

Avg Size
1.0"

Catch rate: 0.05 · Standard trawling

Survey History
DateCatch RateAvg LengthAvg Weight
Jun 2, 20230.031.0"-
Jun 2, 20230.051.0"-
Jul 8, 20220.031.0"-

Biologist Notes

June 2, 2023Anglers in 2021-2023 experienced "low" summer and fall water levels not seen since the late 1980s. These levels presented challenges to anglers whose…

Anglers in 2021-2023 experienced "low" summer and fall water levels not seen since the late 1980s. These levels presented challenges to anglers whose experience on Pool 4 only took place during the last decade or so when "high water" has been the norm, but strong populations of multiple gamefish species particularly Walleye, Sauger, Yellow Perch, and Black Crappie were enjoyed by many. The 2024 outlook for Walleye and Sauger anglers is very positive. Six year classes from age-4 through age-10 contributed Sauger >20-inches in the 2023 gill nets. During the 2024 angling season these fish and fast-growing individuals from the large 2020 year class should provide opportunities for Sauger >20-inches. Strong reproduction of Walleye from 2018-2021 and Sauger in 2018 and 2020 will provide ample fish for anglers in 2024. Smallmouth Bass, Largemouth Bass, Yellow Perch, Black Crappie, and Bluegill should continue to provide excellent angling opportunities during 2024 based on the numbers of adult and juvenile fish sampled. The consistent Bluegill and Yellow Perch reproduction observed for the last several decades should continue to provide good angling opportunities with quality sized fish available in 2024. The likely strong 2018 year class of Black Crappie will enhance an already productive crappie fishery by providing larger individuals to the population for the next several years. For the last several years, these fish were available in large numbers from 10-13 inches in length, so in 2024 anglers should find plenty of harvestable fish, but smaller sizes will also be present and as always sorting will likely be required. Northern Pike numbers are coming down from recent highs, but anglers should have ample opportunities to target Northern Pike throughout Pool 4 as abundant food sources rapidly grow pike to preferred and even trophy size when favorable conditions occur. The start of the 2015 angling season on March 1, 2015 represented the first time since the early 1990's that anglers were allowed to legally target Lake Sturgeon in Pool 4. Wisconsin opened a season matching Minnesota's on their shared border waters in 2016. After eight open water seasons of catch and release angling for Lake Sturgeon on Pool 4, local interest in the species continues to increase. Anglers have, on several occasions, assisted DNR staff in their tagging efforts by providing hook and line caught individuals for tagging. This method should be used to continue expanding the tagged population of Lake Sturgeon in the system.

July 8, 2022Anglers in 2021-2022 experienced "low" water levels not seen since the late 1980s. These levels presented challenges to anglers whose experience on Po…

Anglers in 2021-2022 experienced "low" water levels not seen since the late 1980s. These levels presented challenges to anglers whose experience on Pool 4 only took place during the last decade or so when "high water" has been the norm, but strong populations of multiple gamefish species particularly Walleye and Black Crappie were enjoyed by many. The 2023 outlook for Walleye and Sauger anglers is very positive. Five year classes from age-4 through age-8 contributed Sauger >20-inches in the 2022 gill nets. During the 2023 angling season these fish should provide opportunities for Sauger >20-inches. Strong reproduction of Walleye in 2018, 2019, 2020, and 2021 and Sauger in 2018 and 2020 led to numerous reports of their capture as YOY by anglers both on open water and through the ice in 2020. Those fish from 2020 (29.4% of the Walleye and 71.8% of the Sauger caught in the 2022 gill nets) will provide numerous fish 13-19 inches for Walleye and 12-17 inches for Sauger in 2023. Smallmouth Bass, Largemouth Bass, Yellow Perch, Black Crappie, and Bluegill should continue to provide excellent angling opportunities during 2023 based on the numbers of adult and juvenile fish sampled. The consistent Bluegill and Yellow Perch reproduction observed since 2004 should continue to provide good angling opportunities with quality sized fish available in 2023. Four apparent strong year classes (2012-2014 and 2018) of Black Crappie will enhance an already productive crappie fishery with individuals recruiting to the creel for the next several years. In late 2022 these fish were available in large numbers from 10-13 inches in length, so in 2023 anglers should find plenty of harvestable fish, but smaller sizes will also be present and as always sorting will likely be required. Northern Pike numbers remain above the third quartile, likely as a result of high water, abundant forage, and extensive spawning opportunities. Anglers should have ample opportunities to target Northern Pike throughout Pool 4 as abundant food sources rapidly grow pike to preferred and even trophy size when favorable conditions occur. The start of the 2015 angling season on March 1, 2015 represented the first time since the early 1990's that anglers were allowed to legally target Lake Sturgeon in Pool 4. Wisconsin opened a season matching Minnesota's on their shared border waters in 2016. After eight open water seasons of catch and release angling for Lake Sturgeon on Pool 4, local interest in the species continues to increase. Anglers have, on several occasions, assisted DNR staff in their tagging efforts by providing hook and line caught individuals for tagging. This method should be used to continue expanding the tagged population of Lake Sturgeon in the system.

July 12, 2021Anglers in 2021 experienced "low" water levels not seen since the late 1980s. These levels presented challenges to anglers whose experience on Pool 4…

Anglers in 2021 experienced "low" water levels not seen since the late 1980s. These levels presented challenges to anglers whose experience on Pool 4 only took place during the last decade or so when "high water" has been the norm, but strong populations of multiple gamefish species particularly Walleye and Black Crappie were enjoyed by many. The 2022 outlook for Walleye and Sauger anglers is very positive. Ten year classes from age-3 through age-12 contributed Sauger >20-inches in the 2021 gill nets. During the 2022 angling season these fish should provide opportunities for Sauger >20-inches. The 2018 year class (25.7% of the 2021 gill-net catch) will also provide numbers of Sauger from 15-21 inches as they grow in 2022. Strong reproduction of Walleye in 2018, 2019, and 2020 and Sauger in 2018 and 2020 led to numerous reports of their capture as YOY by anglers both on open water and through the ice in 2020. Those fish from 2020 (25.7% of the Walleye and 50.2% of the Sauger caught in the 2021 gill nets) will provide numerous smaller fish 13-19 inches for Walleye and 10-17 inches for Sauger in 2022. Smallmouth Bass, Largemouth Bass, Yellow Perch, Black Crappie, and Bluegill should continue to provide excellent angling opportunities during 2022 based on the numbers of adult and juvenile fish sampled. The consistent Bluegill and Yellow Perch reproduction observed since 2004 should continue to provide good angling opportunities with quality sized fish available in 2022. Four apparent strong year classes (2012-2014 and 2018) of Black Crappie will enhance an already productive crappie fishery with individuals recruiting to the creel for the next several years. In late 2021 these fish were available in large numbers from 10-14 inches in length, so in 2022 anglers should find plenty of harvestable fish, but smaller sizes will also be present and as always sorting will likely be required. Northern Pike numbers remain above the third quartile, likely as a result of high water, abundant forage, and extensive spawning opportunities. Anglers should have ample opportunities to target Northern Pike throughout Pool 4 as abundant food sources rapidly grow pike to preferred and even trophy size when favorable conditions occur. The start of the 2015 angling season on March 1, 2015 represented the first time since the early 1990's that anglers were allowed to legally target Lake Sturgeon in Pool 4. Wisconsin opened a season matching Minnesota's on their shared border waters in 2016. After seven open water seasons of catch and release angling for Lake Sturgeon on Pool 4, local interest in the species continues to increase. Anglers have, on several occasions, assisted DNR staff in their tagging efforts by providing hook and line caught individuals for tagging. Once COVID protocols allow this method should be used to continue expanding the tagged population of Lake Sturgeon in the system. Regulations The first comprehensive public review of bag and size limits in over fifty years was initiated in 2018 on the Mississippi River portion of the border waters between Minnesota and Wisconsin. After collecting input from nearly 2000 total surveys (electronic and meetings combined) proposed regulations were developed by Department of Natural Resources staff from both Minnesota and Wisconsin. The Wisconsin Conservation Congress Spring Hearings in 2019 showed strong support for all proposals, verifying what had been found by the second round of surveys (N=1225) conducted in 2018. The new regulations were approved by both states and went into effect in Minnesota on February 24, 2020 and in Wisconsin on April 1, 2020. Reports from conservation officers and members of the public have indicated that the new regulations have been greeted with very high acceptance by the public.

Frequently Asked Questions

What fish can you catch in Pepin?

Based on Minnesota DNR survey data, anglers target Smallmouth Bass, Channel Catfish, Northern Pike, Walleye, and Largemouth Bass in Pepin. See the full species list above for catch rates, size structure, and quality scores.

Is there public access at Pepin?

Minnesota DNR records list public access for Pepin. Check the DNR LakeFinder page for the launch type and directions before you go.

How deep is Pepin?

Pepin has a maximum depth of 60 feet and a mean depth of 21 feet, per Minnesota DNR data.

When were the main sport fish in Pepin last surveyed?

The most recent Minnesota DNR survey data for the main sport fish in Pepin is from 2023.

Does Pepin have any invasive species?

Yes — Pepin has confirmed Eurasian watermilfoil, bighead carp, silver carp, and zebra mussel. Clean, drain, and dry your equipment to avoid spreading invasives to other waters.

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Lake Details

Surface Area
12,299.45 acres
Max Depth
60 ft
Mean Depth
21 ft
Shoreline
54.85 mi
Public Access
Yes
View on DNR LakeFinder

Invasive Species Alert

  • Eurasian watermilfoil
  • bighead carp
  • silver carp
  • zebra mussel

Clean, drain, and dry your equipment to prevent spread.

Location

44.4984°N, 92.2802°W

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